Adjuvant for pesticides

ABSTRACT

Compositions useful in the field of agricultural chemistry and methods for making and using the compositions are provided. Methods of improving the degree of efficacy of an active component or speed of action of an active component are also provided.

CROSS-REFERENCE TO RELATED APPLICATIONS

The present application is a continuation of U.S. Ser. No. 10/630,954,filed Jan. 24, 2004, which is a divisional of U.S. Ser. No. 10/161,260,filed May 31, 2002, the contents of which are incorporated herein byreference in its entirety.

BACKGROUND OF THE INVENTION

The present invention relates generally to agricultural chemicalcompositions. Chemicals are used in connection with plants, lumber andtrees. Such chemicals include insecticides, fungicides, herbicides,plant growth regulators, transfection agents, wood treatments, traps,disinfectants, house paints, marine paints and the like. Much researcheffort has focused on achieving the maximum effectiveness of thesechemicals. However, it has been difficult to enhance the effectivenessof agricultural chemicals through adjustments in formulations,particularly when this results in lower concentrations or rates ofapplication. For example, environmental regulations limit the amount ofcertain pesticides that can be applied to plants, and methods forlowering the effective amount of the pesticides are extremelybeneficial. Therefore, further enhancement of existing agriculturalchemicals would highly contribute to the industry.

Many crops that require mechanical harvesting need to have their leavesremoved for the most efficient and economical production. Defoliationand desiccation are the two most common methods for removing matureleaves. During the growing season, leaves supply photosynthates and areshed only as a result of stress such as drought, disease, or cold. Whenthe crop has matured, the leaves serve no beneficial purpose and can beremoved to assist mechanical harvesting. Removing the large amount offoliage has become an important step in the harvesting of lucerne,potato and cotton crops, for example.

Chemical defoliation induces the loss of leaves before they would havenormally been shed by the plant. This is the accepted agriculturalpractice, particularly with respect to cotton. Chemical defoliation isthe process of inducing the plant to abscise its leaves throughjudicious injury. Abscission is a very complex biochemical process.Defoliant chemicals alter hormonal levels to achieve abscission, buttheir action is influenced by many environmental factors such astemperature, nutrient and moisture level as well as the maturity andhormonal balance within the plant. The major hormones that affectdefoliation are the auxins, ethylene, abscisic acid, gibberellic acid,and cytokinin. Inorganic solutes and in particular calcium ions play acritical role in the transport and hence the action of the hormones.Many chemicals have been screened for their ability to defoliate cotton.There is still a need, however, for chemicals and chemical compositionsand methods that, among other things, improve the degree or speed ofdefoliation, help control regrowth, or improve the speed or degree ofthe opening of mature bolls. It would be advantageous to have additionalcompositions and methods of improving the efficacy of agriculturalchemicals. The present invention provides such compositions and methods.

SUMMARY OF THE INVENTION

In accordance with the purposes of this invention, as embodied andbroadly described herein, this invention, in one aspect, relates tocompositions for use in agricultural chemistry and methods ofpreparation and use thereof. The compositions include: (i) apermeabilizing agent, for example, a chelating agent, and (ii) an activecomponent, particularly an active component useful for pest control orplant growth regulation.

The permeabilizing agent, for example, a chelating agent, a mixture ofchelating agents, or a mixture of chelating agents and amines, acts asan adjuvant to the active component or chemicals to improve the degreeof efficacy of the active component or speed of action of the activecomponent. When in solid form, the compositions can also advantageouslyinclude a flow agent to avoid caking of the composition. Examples ofsuitable flow agents include HiSil and clays, such as Kaolin claims, forexample, Polyfil DL. However, the compositions can also be used inliquid form.

Zwitterionic materials are one type of chelating agent. These includeethylene diamine tetraacetic acid and other compounds that include bothamine and are carboxylic acid (and other acidic) functional groups.Other examples of suitable permeabilizing agents also include one ormore cationic materials and anionic materials, and specifically includepolyphosphates. Examples of cationic materials include polyamines suchas ethylenediamine and quaternary ammonium salts. Examples of anionicmaterials include polycarboxylic acids such as oxalic acid, succinicacid, maleic acid, citric acid and the like. Another group ofpermeabilizers are agriculturally acceptable salts of all of thesecompounds.

Examples of suitable active components include plant growth regulators,defoliators, dessicants, transfection agents, wood treatments (CCA orother chemicals that are effective against termites and molds), traps,disinfectants, house paints, marine paints and the like. In oneembodiment, the active components are nucleic acids that are used totransfect a plant. In one embodiment, the active components plant aredefoliants, and the composition is used for plant defoliation, forexample, with respect to cotton plants. In this embodiment, thechelating agent, or a mixture of chelating agents, acts as an adjuvantto the defoliant to improve the degree or speed of defoliation, helpcontrol regrowth, and/or improve the speed or degree of the opening ofmature bolls of cotton. This type of composition can be used in a methodfor defoliating a plant, which method involves applying the compositionto a plant substrate in an amount sufficient to effect defoliation.

In another embodiment, the active components are herbicides and theiractivity is improved by use of a permeabilizer by permitting more activeingredient to cross the cell wall. This allows lower use rates of theherbicide. Another embodiment is insecticides where the permeabilizerallows the insecticide to cross the insect cell wall; whether it be theinsect cuticle for contact insecticides, or the insect gut for ingestioninsecticides. In another embodiment the active ingredient is afungicide. The permeabilizer allows the fungicide to penetrate the plantif it is a systemic fungicide, or to penetrate the fungus if it is aprotectant fungicide. In another embodiment, the active ingredient is abactericide. In this case the permeabilizer promotes the penetration ofthe bactericide into the bacteria before it can attack the plant.

In another embodiment, the active components improve the viability ofplants to which they are applied, and are rendered more effective bytheir ability to cross the plant cell wall. In a further embodiment, thecompositions are applied to lumber to help protect the lumber fromspalting and other fungal infection, termite infestation, and the like.When applied to lumber in the context of marine applications, thetreated lumber can be rendered more resistant to decay. Additionaladvantages of the invention will be set forth in part in the detaileddescription, which follows, and in part will be obvious from thedescription, or may be learned by practice of the invention. Theadvantages of the invention will be realized and attained by means ofthe elements and combinations particularly pointed out in the appendedclaims. It is to be understood that both the foregoing generaldescription and the following detailed description are exemplary andexplanatory of preferred embodiments of the invention, and are notrestrictive of the invention, as claimed.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 illustrates the structures of a metal complex and metal chelate.

DETAILED DESCRIPTION OF THE INVENTION

The present invention may be understood more readily by reference to thefollowing detailed description of the invention. It is to be understoodthat this invention is not limited to the specific embodimentsdescribed, as specific embodiments may, of course, vary. It is alsounderstood that the terminology used herein is used for the purpose ofdescribing particular embodiments only and is not intended to belimiting. It must also be noted that, as used in the specificationincluding the appended claims, the singular forms “a,” “an,” and “the”include plural references unless the context clearly dictates otherwise.

Ranges may be expressed herein as from about or approximately oneparticular value and/or to about or approximately another particularvalue. When such a range is expressed, another embodiment includes fromthe one particular value and/or to the other particular value.Similarly, when values are expressed as approximations, by use of theantecedent “about,” it will be understood that the particular valueforms another embodiment. A pesticide is defined by the FederalGovernment in 40 CFR 152.3 as “any substance (or group of structurallysimilar substances if specified by the Agency) that will prevent,destroy, repel, or mitigate any pest, or that functions as a plantregulator, desiccant or defoliant within the meaning of FIFRA sec. 2(a).”

Agriculturally acceptable salts are those salts that do not adverselyeffect the activity of a desired compound or adjuvant.

An adjuvant is a chemical which assists the primary active ingredient todo its job better. This can be quicker action, lower use rates, orbetter results at the same rate. These include surfactants, and oils toimprove wetting, some improve rainfastness. It has been stated recentlythat “a range of inorganic salts, phosphate esters, and chelating agentshave been used to enhance herbicide activity; in many instances,however, data on the effects of these compounds on herbicide absorptionare lacking, and there is no clear explanation of how these materialsenhance herbicide activity.” (Ref 6)

Adjuvants help, enhance or facilitate the effectiveness of anotherchemical or chemicals. They can be used with agricultural chemicalsincluding, but not limited to herbicides, insecticides and fungicides. Acotton harvest adjuvant, for example, would be a chemical that improvesthe degree or speed of defoliation, helps to control regrowth, orimproves the speed or degree of the opening of mature bolls provided byanother chemical or mixture of chemicals. In essence, an adjuvant is achemical that would improve the value of the harvested cotton crop whencombined with other chemicals used for the above purposes.

In accordance with the present invention generally, it has beendiscovered that the class of chemicals known as permeabilizing agents,for example, chelators or complexing agents, cationics, anionics,zwitterionics, and combinations thereof, act as adjuvants with activecomponents. In one embodiment, this invention comprises using a chelatoror chelating agent and a active component in combination to effectuateplant defoliation. In other embodiments, the compositions are used toeffectuate weed management, disease control and/or insect management.

Without being bound by any particular theory, it is believed that theaddition of permeabilizing agents to the active components results inimproved permeability through the plant cell wall, which results inimproved efficacy of a large variety of agricultural chemicals, whichare examples of the active components described herein. Thepermeabilizing agents interact at sites on the outer membrane surface,at which divalent cations crossbridge adjacent lipopolysaccharidemolecules. This causes a destabilization of the outer membrane thatpermits uptake of the active component and/or other molecules in thecell environment. The permeabilizing agent promotes uptake by affectingthe lipopolysaccharide or divalent cationic crossbridge and furtherassists with the molecular transport of the active component acrossmembranes within the cell and from cell to cell.

I. Compositions

The compositions described herein include a permeabilizing agent and anactive component. Permeabilizing agents and active components will bedescribed in further detail below. The compositions or productsdescribed herein can be supplied as a solid or a liquid, includingthixotropic droplets. The solid can be a granule or a powder. The liquidcan be a solution, dispersion or suspension in water or other carrier.These products are generally diluted into water before being sprayedonto the field from either an airplane or ground application equipment.Solid formulations can be combined with wetting agents or surfactantsfor better deposition or application on the plants surface or substituteand better uptake by the plant. Solid formulations can be preferredbecause they offer higher loading levels.

A. Permeabilizing Agents

The permeabilizing agent functions by improving the permeability of thecell walls of the plant or plants to which it is applied. By improvingthe permeability of the cell walls, the active components have betterpenetration into the plant. Also, in the case of insects, bacteria,fungi, viruses and acaricides, the permeabilizing agents can improve thepermeability of the cell walls of these agents and improve the passageof the active components into these biological entities, thus improvingthe efficacy of these compounds. Increased efficacy can translate intolower effective dosages, which is a tremendous benefit, particularlywith governmental regulations constantly lowering the permitted dosagesof these compounds. Further, as the active components penetrate theplant cell wall, they are more persistent than active components appliedtopically to plants that do not effectively penetrate the plant cellwall. Accordingly, an insect that attempts to ingest a plant, where theplant has an effective amount of an insecticide present inside the cellwall, may kill the insect long after conventional topically appliedinsecticides would be washed away.

One Class of Permeabilizers—Chelating Agents

A chelate, sometimes referred to as a sequestrant, a complex ion, and/ora coordination compound, is an organic compound that combines with ametal ion to form a complex in which the donor atoms are connected toeach other as well as to the metal. Thus, the metal becomes part of aheterocyclic ring. (See FIG. 1). Donor atoms in the chelate complex maybe tied together with additional chelate rings so that each chelatingagent may contain two, three, four, five, six or even more donor groups.One of the best examples of this sort of chelate is EDTA, which has twoamine donor groups and four carboxyl donor groups. It can thus supplythe complete requirements for the coordination sphere of many metalswith a single molecule where it might take three molecules ofethylenediamine to meet the same-requirements. A chelating agent thatsupplies two donor electrons to the metal is said to be bidentate.Similarly ter-, quadri, quinqui-, and sexadentate donors, bind the metalin 3, 4, 5, and 6 positions, respectively. Hence, EDTA is sexadentateand ethylenediamine is bidentate, for example.

Sometimes chelating agents combine with a metal ion to form solublecomplexes that help the ions move across barriers. Examples of this arethe use of humic acids by plants to dissolve trace elements and makethem accessible. Other times chelating agents act to remove ions fromsolution or make transport more difficult. An example of the use ofchelator for this purpose is the addition of EDTA, or its sodium salt,to hard water to keep emulsions from breaking.

In particular, chelating agents or mixtures of thereof added to activecomponents in cotton improve defoliation, regrowth, and the opening ofunopened bolls. Generally, chelating compounds that are useful forimproving the activity of cotton active components include, but are notlimited to sugars, amino acids, organic diacids, diamines, alphaketoacids, alphahydroxyacids, aminodiacids, amino triacids, aminotetraacids, tdol amines, and organic polyacids and their sodium,potassium, and ammonium salts. Specific examples of these chelatingcompounds include, but are not limited to the sugars, acids and salts ofmaleic acid, rnalonic acid, tartaric acid, citric acid, glycine, lacticacid, malic acid, succinic acid, oxalic acid, dextrose,ethylenediaminetetraacetic acid (EDTA), tris(hydroxymethyl)aminomethane,lactose, mannitol, glutaric acid, malic acid, succinic acid, glycerol,humic acid, fulvic acid, sorbic acid, sorbose, ethylene diamine, 1,2diaminocyclohexane, trimethylenediamine, tetramethylenediamine, 1,2diaminopropane, diethylenetriamine, triethylenetetramine,triaminodiethylamine, N-hydroxyethylethylenediamine, sodiumpolyphosphate, potassium polyphophate, ammonium polyphosphate, sodiumhexametaphosphate and mixtures thereof. The chelating agent used in thepresent compositions can be 100% of any particular chelator, or acombination of chelator in any ratio. A combination or mixture ofchelating compounds may dissolve faster than a single compound. However,100% oxalic acid, 100% citric acid, 100% EDTA, and combinations of thesethree are preferred.

Chelating agents are believed to function by sequestering divalent metalions and keeping them from ordering the lipopolysaccharide layer in theplant cell walls. The voids may then be filled with phospholipids whichare much more permeable. The activity of some chelating agents isenhanced by amines and other cationic substances, such as tris,ethylamine, propylamine, diethanolamine, and 3-aminopropanol. Cationicsare described in more detail below.

Cationics

The permeabilizing agent can be any cationic compound capable ofpermeabilizing the plant cell wall. Cationic compounds, for example,polycationic compounds and cationic surfactants, alter the ordering ofthe lipopolysaccharide layer in plant cell walls by replacing thedivalent cationic bridging metal ions. The negatively chargedlipopolysaccharide layer which normally binds to the positively chargedmetals binds to the much bulkier cationic amines creating gaps in thelipopolysaccharide layer.

In one embodiment, the cationic compound is a polycationic compound, forexample, a polyamine such as (diethylenetriamine, triethylenetetramine,tetraethylenepentamine, polyethylene polyamine N-oleylaminepolyhexamethamine polyamine, and the like).

Quaternaty ammonium salts can be preferred, and cocodimethyl anddicocodimethylammonium chloride are even more preferred, as are othercoco-substituted quaternary ammonium salts.

Examples of tertiary amines that can be used include tertiary aminesincluding linear alkyl groups or a linear alkenyl groups with a carbonnumber of 8 to 20, and can be derived from natural oil or fat, and canalso include one or more an oxyalkylene groups. Preferred tertiary amineinclude mono-long-chain alkylamine, for example,bis(2-hydroxyethyl)cocoamine, bis(2-hydroxyethyl)-tallowamine,bis(2-hydroxyethyl)oleylamine, and bis(2-hydroxyethyl)laurylamine.Further, included are polyoxyalkylenated long-chain alkylamine, forexample, bis(polyoxyethylene(EOp=3 to 30))cocoamine,bis(polyoxyethylene(EOp=3 to 30))tallowamine, bis(polyoxyethylene(EOp3to 30))oleylamine, bis(polyoxyethylene(EOp=3 to 30))laurylamine,bis(polyoxyethylene(EOp=3 to 30))palmstearylamine,bis(polyoxyethylene(EOp=3 to 10)polyoxypropylene-(POp=3 to 10)cocoamine,and bis(polyoxyethylene (EOp=3 to 10)polyoxypropylene (POp=3 to10)tallowamine. In the compounds described above, EOp represents anaverage addition mole number of ethylene oxide, and POp represents anaverage addition mole number of propylene oxide.

Derivatives derived from these tertiary amines can be used as well.Examples of these derivatives include amine salts, quaternized products,betaines, and amine oxides. The tertiary amine salts include salts ofinorganic acids such as hydrochloric acid and sulfuric acid, and saltsof organic acids such as acetic acid. In particular, hydrochlorides andacetates are preferred. The quaternized products of the tertiary aminesdescribed above can be obtained by using known quaternizing agents. Thequaternizing agents include dialkylsulfuric acids (an alkyl group havinga carbon number of 1 to 3) and halogenated alkyl (an alkyl group havinga carbon number of 1 to 3, a benzyl group).

The quaternary salts are advantageously methyl chloride-quaternizedproducts, benzyl chloride-quaternized products, dimethylsulfuricacid-quaternized products and diethylsulfuric acid quaternized productsof the tertiary amines described above.

Further, the following quaternary ammonium salts are preferred as well:

(A) quaternized long-chain amines

(a) tri-lower alkyl long-chain alkylammonium chloride

-   -   (i) trimethylcocoammonium (coco=C₁₂ to C₁₅ alkyl) chloride    -   (ii) trimethyloctadecylammonium chloride

(b) dialkyldi-lower alkylammonium chloride

-   -   (i) dimethyldioctadecylammonium chloride    -   (ii) dimethyldicocoalkylammonium chloride        (B) quaternized polyoxyalkylenated long-chain amines

(a) alkyldi(polyoxyethylene)lower alkylammonium chloride

-   -   (i) methylbis(omegahydroxypoly(oxyethylene)-oleo)ammonium        chloride in which polyoxyethylene is derived from 2 to 30 moles        of ethylene oxides.

The following products are suitable as amine oxides derived from thetertiary amines:

(A) trialkylamine oxide

(i) lauryldimethylamine oxide

(ii) stearyldimethylamine oxide

(B) dihydroxyethylalkylamine oxide

(i) dihydroxyethyloctylamine oxide

(ii) dihydroxyethyldodecylamine oxide

(iii) dihydroxyethyltallowlamine oxide

(C) di(polyoxyethylene)alkylamine oxide

(i) bis(polyoxyethylene)tallowamine oxide

(ii) bis(polyoxyethylene) cocoamine oxide

(iii) bis(polyoxyethylene)dodecylamine oxide

(D) lower alkylpolyoxyethylenealkylamine oxide

(i) methylpolyoxyethylenecocoamine oxide.

The amines or derivatives thereof are typically blended into thecomposition in a proportion of 10 to 30 weight %, preferably 15 to 25weight %.

Anionics

The permeabilizing agent can further be any anionic compound capable ofpermeabilizing the plant cell wall. In one embodiment, the anioniccompound is an anionic surfactant or a polyanionic compound, forexample, a polymer such as a polyacid such as polylactic acid,polyphosphates and polyacrylates, or monomers such as citric acid EDTAand others listed above. Other anionics which remove calcium would besulfate ion which would form insoluble calcium sulfate. Usable forms ofsulfate ion would be ammonium sulfate, sodium sulfate, potassiumsulfate, hydrogen sulfate or any mixture thereof.

Zwitterionics

Zwitterionic compounds can also be preferred chelating agents.Zwitterionic compounds are those that include both a positive and anegative charge on the same molecule. Examples include amino acids andpolyamine polycarboxylic acids. Many of the above-mentioned chelatingagents are zwitterionic.

Betaines derived from the tertiary amines include trialkylbetaines,including long-chain alkyldi-lower alkylbetaines such aslauryldimethylbetaine, stearyldimethylbetaine, cocodimethylbetaine, anddecyldimethylbetaine.

Salts

Calcium and magnesium salts can also serve as permeabilizers. Theyfunction in the opposite way from chelators or amines in that theyprovide too much rigidity to a cell wall and it becomes brittle andhence more permeable. Soluble salts such as calcium and magnesiumchlorides, nitrates, sulfites, thiosulfates, nitrite, bisulfites, orsalts of organic compounds such as calcium or magenesium lactate,citrate, etc.

Combinations

Combinations of chelating agents and cationic compounds can bepreferred. Combinations of oxalic acid and citric acid are particularlypreferred, as oxalic acid is a good permeabilizer but exhibits sometoxicity on exposure, for example, producing kidney stones. Citric acidlowers oxalic acid toxicity and also functions as a permeabilizer.Combinations of chelators and quaternary ammonium salts are alsoparticularly preferred.

Solvents

In some embodiments, the permeabilizers and, optionally, activecomponents, are provided in an aqueous solution. However, otherwater-miscible solvents can also be used, typically in concentrations ofless than 25% by volume. These solvents include, but are not limited to,C₁₋₅ alcohols such as ethanol, propanol and isopropyl alcohol,polyhydric alcohols such as glycerol, pentaerythritol, and the like,dimethyl sulfoxide, dimethyl formamide, glymes, acetone and the like.Crop oils can also be used.

B. Active Components

Any type of agricultural chemical, pesticide or genetic material, whichresults in a desired effect on a plant can be used. The activecomponents can be herbicidal, pesticidal, insecticidal, bactericidal,virucidal, fungicidal, acaricidal, and the like. The active componentscan be genetic material to be transfected into a plant.

Pesticides

A pesticide is defined by the Federal Government in 40 CFR 152.3 as “anysubstance (or group of structurally similar substances if specified bythe Agency) that will prevent, destroy, repel, or mitigate any pest, orthat functions as a plant regulator, desiccant or defoliant withinwording the meaning of FIFRA sec. 2 (a).” Several types of pesticidesare described in more detail below.

Plant Growth Regulators

Any compound that regulates plant growth can be included in thecompositions of the invention. Examples of the plant-growth regulatorinclude defoliators and desiccants. Specific examples include MH (maleichydrazide), ethephon (2-chloroethylphosphonic acid), Folex (S,S,S,tributyl phosphorothioate, Dropp (thidiazuron), Pix (mepiquat chloride).Any defoliating compound that is effective at defoliating a desiredplant can be used. Examples of suitable defoliating agents includeparaquat, diquat, endothall, chlorates, ethephon,tributylyphosphorthoate, cacodylic acid and its sodium salt, MSMA,diuron, dimethipin, monocarbamide, carfentrazone, cyclanalide andthidiazuron.

Formulations of magnesium and sodium chlorate were among the firstproducts to experience widespread use. Organophosphates, such astributyl phosphorothioate, were found to defoliate cotton withoutexcessive drying. Cacodylic acid was found effective in the westernUnited States where there are differences in the cotton plants. Two ofthe more recently developed defoliant chemicals are dimethipin andthidiazuron. They are as effective as the chlorates or phosphates atdefoliation, but are superior for regrowth control. The plant hormoneethylene, usually supplied to the plant in the form of2-chloroethylphosphonic acid, is used to open immature cotton bolls andincrease yield, but can cause defoliation, although it is not usuallysufficient by itself for commercial levels of defoliation. Recently, acombination product of 2-chloroethylphosphonic acid and cyclanilide(FINISH®) was found to provide commercially acceptable defoliation. Manytimes, combinations of the above-mentioned chemicals are used to achievethe desired level of defoliation, regrowth control and boll openingunder the existing environmental conditions. These are all consideredactive components.

It is believed that, in addition to the benefit of increased permeation,the chelation of calcium ions has a beneficial effect on auxins. Asmentioned above, defoliation and boll opening are the result of manyplant hormones, two of the most noticeable being ethylene and theauxins. These two hormones have opposing effects on the plant for manyprocesses. Ethylene causes ripening, abscission, and. senescence. Auxininhibits these processes. However, auxin requires calcium ions forefficient transport. It is well recognized that inorganic solutes, andspecifically calcium, can affect the action of hormones and exogenousgrowth regulators. The application of chelators, specifically calciumchelators, can slow the transport of auxin and enhance the action ofexogenous active components.

The chelating agent application rate used in the defoliation methodranges from about 0.1 pound per acre to about 5 pounds per acre,preferably from about 0.25 to about 2.5 pounds per acre. The chelatingagents can be used and/or applied with paraquat, diquat, endothall,chlorates, ethephon, tributylyphosphorothioate, cacodylic acid and itssodium salt, MSMA, diuron, dimethipin, monocarbamide, carfentrazone,cyclanalide and thidiazuron in ratios from 1:100 to 100:1, preferablyfrom 1:10 to 10:1.

Herbicides

Any herbicide that causes the desired result can be used. Herbicides aregenerally broken down into broad categories, including pre-plantherbicides, burndown herbicides, and post-emergence herbicides. Those ofskill in the art of farming know when it is appropriate to use aparticular type of herbicide.

There are several classes of post-emergent herbicides. These include:

A. Downwardly Mobile Herbicides [Symplastically Translocated (leaf togrowing points)]

1. Auxin Growth Regulators

Phenoxy

Benzoic acid derivatives

Picolinic acid derivatives

2. Amino Acid Inhibitors (aromatic)

Glyphosate

Sulfosate

3. Amino acid inhibitors

Sulfonyl Ureas

Imidazolinones

Sulfonanalides

4. Pigment Inhibitors 5. Grass Meristem Destroyers (Lipid BiosynthesisInhibitors)

Aryloxyphenoxypropionates

Cyclohexanediones

B. Non Translocated (Contact Herbicides) 1. Cell Membrane Destroyers

Bipyridyliums

Diphenyl ethers (nitrophenyl ethers)

C. Upwardly Mobile Only Herbicides (Apoplastically Translocated) 1.Photosynthetic Inhibitors

Triazines

Uracils

Phenylureas

Nitriles

Examples of acid amide-based herbicides include Stam(3′,4′-dichloropropionanilide, DCPA) and Alachlor(2-chloro-2′,6′-diethyl-N-(methoxymethyl)-acetanilide). Examples ofurea-based herbicides include DCMU(3-(3,4-dichlorophenyl)-1,1-dimethylurea) and Rinuron(3-(3,4-dichlorophenyl)-1-methoxy-1-methylurea). Examples of sulfonylurea-based herbicides includethifensulfuronmethyl(methyl-3-(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoylsulfamoyl)-2-tanoate) and Flazesulfuron (1-(4,6-dimethoxypyrimidin-2-yl)-3-(3-trifluoromethyl-2-pyridylsulfonyl)urea). Examplesof dipyridyl-based herbicides include Paraquat dichloride(1,1′-dimethyl-4,4′-bipyridinium dichloride) and Diquat dibromide(6,7-dihydrodipyride[1,2-a:2′,1′c]-pyrazinediium dibromide). Example ofdiazine-based herbicides include Bromacil(5-bromo-3-sec-butyl-6-methyluracil). Examples of S-triazine-basedherbicides include Gesatop (2-chloro-4,6-bis(ethylamino)-1,3,5-triazine)and Simetryn (2,4-bis(ethylamino)-6-methylthio-1,3,5-triazine). Anexample of nitrile-based herbicides include DBN(2,6-dichlorobenzonitrile). Examples of dinitroaniline-based herbicidesinclude Trifluralin(alpha,alpha,alpha-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine).Examples of carbamate-based herbicides include Thiobencarb (Saturn)(S-p-chlorobenzyl diethylthiocarbamate) and MCC(methyl-3,4-dichlorocarbenzylate. NIP (2,4-dichlorophenyl-p-nitro-phenylether) is an example of diphenyl ether-based herbicides. PCP (sodiumpentachlorophenoxide) is an example of a phenol-based herbicide. MDBA(3,6-dichloro-2-methoxybenzoic acid dimethylamine salt) is an example ofa benzoic acid-based herbicide. Examples of phenoxy-based herbicidesinclude 2,4-D sodium salt (sodium 2,4-dichlorophenoxyacetate), 2,4 DEsters, and Mapica ([4-chloro-o-toluoyl)oxy]aceto-o-chloroanilide.Examples of organic phosphorus-based herbicides include Glyphosate(N-(phosphonomethyl) glycinate, Bialaphos (sodium salt ofL-2-amino-4-[(hydroxy(methyl)phosphinoyl]-butylyl-alanyl-N-alanine), andGlufosinate (ammonium DL-homoalanin-4-yl(methyl)phosphinate). TCA sodiumsalt (sodium trichloronate) is an example of an aliphatic group-basedherbicides. Hydrogen peroxide is another herbicide.

Among these herbicides, the dipyridyl-based herbicides and the organicphosphorus-based herbicides are preferred. Among them, the organicphosphorus-based herbicides are more preferred, and Bialaphos (sodiumsalt ofL-2-amino-4-[hydroxy)(methyl)phosphinoyl]-butyl-L-alanyl-N-alanine),Glufosinate (ammonium DL-homoalanin-4-yl(methyl) phosphinate), orGlyphosate (N-(phosphonomethyl) glycinate) are particularly preferred.

Insecticides

Any insecticide that is effective against a particular insect to beeliminated from a particular crop or site can be used. Examples ofpyrethroid type insecticides include Fenvalerate(alpha-cyano-3-phenoxybenzyl-2-(4-chlorophenyl)-3-methylbutanoate) andBaythroid(cyano-4-fluoro-3-phenoxybenzyl-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate). Organic phosphorus type insecticides include DDVP(2,2-dichlorovinyldimethyl phosphate), Sumithion (MEP) (dimethyl4-nitro-m-tolyl phosphorothioate), Malathion(S-1,2-bis(ethoxycarbonyl)ethyldimethyl phosphorodethioate), Dimethoate(dimethyl S-(N-methylcarbamoylmethyl) phosphorodithioate), Elsan(S-[alpha-(ethoxycarbonyl)benzyl] dimethyl phosphorodithioate), andBaycid (dimethyl 4-methylthio-m-tolyl phosphorothioate). Carbamate typeinsecticides include Bassa (O-sec-butylphenyl methylcarbamate), MTMC(m-tolylmethylcarbamate), Meopal (3,4-dimethylphenyl-N-methylcarbamate),and NAC (1-naphthyl methylcarbamate), and Methomyl(S-methyl-N-(methylcarbamoyloxy)thioacetimidate), and Cartap(SS′-2-dimethylamino trimethylene bis-(thiocarbamate)), for example.Natural insecticides include pyrethrin preparations and piperonylbutoxide preparations which originate from Chrysanthemumcinerariaefolium, rotenone preparations, which originate from Derriswhich is a shrub of the pulse family, and nicotine(3-(1-methyl-2-pyrrolidinyl)pyridine sulfate) preparations originatingin derris shrubs of Family Legumoinosae. Examples of the insect growthregulators (IGR), Diflubenzuron(1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)urea), Teflubenzuron(1-[3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea),Chlorfluazuron(1-[3,5-dichloro-4-(3-chloro-5-trifluoromethyl-2-pyridiloxyphenyl]-3(2,6-difluorobenzoyl)urea,Buprofezin (2-tertbutylimino-3-isopropyl-5-phenyl-3,4,5,6-tetrahydro-2H-1,3,5-thiadiazin-4-one),and Fenoxycarb (ethyl 2-(4-phenoxyphenoxy)ethylcarbamate). Bactericides,Fungicides and Virucides Any bactericide, fungicide or virucide that iseffective at a particular bacteria, fungus or virus can be incorporatedinto the compositions described herein and applied to a desired crop orsitus. Examples of suitable bactericide and fungicides include Dithane(zinc ethylenebis(dithiocarbamate)), Maneb (manganeseethylenebis(dithiocarbamate)), Thiram(bis(dimethylthiocarbamoyl)disulfide) Manzeb (complex of zinc andmanganese ethylenebis(dithiocarbamate), Bisdithane (bisdimethyldithiocarbamoyl zinc ethylene bisdithiacarbamate), and Propineb(polymeric zinc propylenebis(dithiocarbamate), benzimidazole-basedbactericides including Benomyl (methyl1-(butylcarbamoyl)-2-benzimidazole carbamate) and Thiophanate-methyl(dimethyl(4,4′-o-phenylenebis(3-thioallophanate)), and Vinclozolin(3-(3,5-dichlorophenyl)-5-methyl-5-vinyl-1,3-oxazolidine-2,4-dione),Iprodione(3-(3,5-dichlorophenyl)-N-isopropyl-2,4-dioxoimidazolidine-1-carboxamide),Procymidone(N-(3,5-dichlorophenyl)-1,2-dimethylcyclopropane-1,2-dicarboximide),Anilazine (2,4-dichloro-6-(o-chloroanilino)-1,3,5-triazine),Triflumizole ((E)-4-chloro-.alpha., .alpha.,.alpha.-trifluoro-N-(1-imidazol-1-yl-2-propoxyethylidene)o-toluidine),Metalaxyl (methyl-N-(2-methoxyacetyl)-N-(2,6-xylyl)-DIL-alaninate),Bitertanol(all-rac-1-(biphenyl-4-yloxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)butan-2-o1), Pyrifenox (2′,4′-dichloro-2-(3-pyridyl)acetophenone-(EZ)-O-methyloxime), Fenarimol(2,4′-dichloro,alpha.-(pyrimidin-5-yl)benzhydrylalcohol), Triforine(1,4-bis-(2,2,2-trichloro-1-formamidoethyl)-piperazine), Guazatineiminoctadine (1,1-iminiodi(octamethylene)diguanidinium triacetate),Oxine-copper, antibiotic bactericides (streptomycin type, tetracyclinetype, polyoxins type, blasticidin S type, kasugamycin type, andvalidamycin type), Triadimefon(1-(4-chlorophenoxy)-3,3-dimethyl-1-(1,2,4-triazol-1-yl)-2-butanone),Isoprothiolane (diisopropyl-1,3-dithiolan-2-ylidenemalanate), Daconil(tetrachloroisophthalonitrile), Pansoil(5-ethoxy-3-trichloromethyl-1,2,4-thiadiazole), Fthalide(4,5,6,7-tetrachlorophmalide), Kitazin-P(0,0-diisopropyl-phosphorothioate), Hinosan (ethylS,S-diphenylphosphorodithioate), Probenazole(3-allyloxy-1,2-benzisothiazol 1,1-dioxide), Captan(N-(trichloromethylthio)-4-cyclohexene-1,2-dicarboximide), Fosetyl(aluminum tris(ethylphosphonate)), and quaternary ammonium compounds.

Acaricides

Any suitable acaracide can be used. Examples of suitable acaricidesinclude Sumiito(2-tert-butyl-5-(4-tert-butylbenzylthio)-4-chloropyridazine-3-(2H)-one),Acricid (2,4-dinitro-6-sec.-butylphenyldimethylacrylate), Chloromite(isopropyl 4,4-dichlorobenzylate), Akar (ethyl 4,4′-dichlorobenzilate),Kelthane (2,2,2-trichloro-1,1-bis(p-chlorophenyl)ethanol), Citrazon(benzoic 3-chloro-N-ethoxy-2,6-dimethoxybenzimidic anhydride), Omite(2-(p-tert-butylphenoxy)cyclohexyl propyn-2-yl sulfite), Osadan(bis[tris(2-methyl-2-phenylpropyl)tin]oxide), Hexythiazox(trans-5-(4-chlorophenyl)-N-cyclohexyl-4-methyl-2-oxothiazolidine-3-carboxamide),and Amitraz (N,N-bis(2,4-xylyliminomethyl)methylamine).

Transfection Agents

There are numerous known transfection agents, any of which can be usedin the compositions described herein. The transfection agents are usedin combination with genetic material to be transfected into a cell, andoptionally, an appropriate vector, for example, an adenoviral vector.The genetic material can be any genetic material capable of effecting adesired alteration in the plant genetic code, and can be in the form ofa plasmid. The genetic material is preferably DNA.

Wood Treatment Chemicals

Any wood treatment chemical capable of inhibiting destruction of wood bytermites, fungus, mold and the like can be used. Examples of suitablewood treatment chemicals include CCA, polyethylene glycol, fungicides,termiticides, and known fungicides.

Traps

Traps are well known in the art for controlling insect populations. Theytypically include a chemical that attracts a desired insect, forexample, a pheremone or other insect attractant, and also typicallyinclude an insecticide. Traps are well known for use in controllingpopulations of burrowing insects, flying insects or crawling insects,for example, roaches, ants, Japanese beetles, termites, mosquitoes andmany other insects. The traps as described herein further include apermeabilizer to enhance the ability of the insecticide to control theinsects.

Disinfectants/Antibacterial Agents

Any suitable disinfectant/antibacterial agent can be used. Examples ofsuitable disinfectants/antibacterial agents include the following:

Quaternary ammonium salts Captan Alcohols Essential oils Organic acidsTriazines Phenols Iodine Halo and Nitro phenols Isothiozolones TerpenesAcridines Esters of para-hydroxybenzoic acid Aldehydes Aromaticdiamidines Biguanidines Anionic Surfactants Nonionic surfactantsBetaines Quinones Quinolines Hydrogen Peroxide Peracetic acid Heavymetal derivatives Derivatives of 1,3 dioxane Derivatives of imidazoleDerivatives of hexamine

Marine and House Paints

Suitable marine and house paints are well known to those of skill in theart. In one particular embodiment, the paint formulation includes thepermeabilizing agents and also includes wood preservation chemicals,thereby further stabilizing the wood. House paints typically include anaqueous solvent and a latex material.

Optional Components

Additional optional components that can be present in the compositioninclude adjuvants currently used with agricultural chemicals, such asflow agents, buffering agents, antifoam agents, compatibility agents,crop oil concentrates, deposition agents, dispersants, drift controlagents, penetrants, surfactants, spreaders, and wetting agents.

Flow Agents

Any flow agent that is able to minimize or avoid caking of thecomposition can be used, typically in amounts of between 0.1% and 10%.Examples of suitable flow agents include silica gels; both fumed andprecipitated and clays such as kaolin, talc, diatomaceous earth.

II. Methods of Making the Compositions

The compositions can be prepared in solid form by mixing the components,for example, using a blender, fitzmill or other suitable apparatus.Optionally, but preferably, the solid formulations include a flow agent.The flow agent is advantageously added to the solid components in asuitable amount to promote even flow of the material.

The compositions can also be prepared in liquid form, by adding thecomponents to a desired solvent or dispersant. The dispersant can be,for example, a crop oil, water, or an aqueous solution including watersoluble organic solvents such as ethanol. They can also be prepared asdispersions in a liquid either singly or as combinations with othersuspensions or solutions of other permeabilizers.

The compositions are typically prepared with the active ingredientslisted above present in a concentration in the formulated product at alevel well above what is needed to make a good formulation, where thepermeabilizers are incorporated to function as dispersants, wettingagents, emulsifiers, water softeners and the like. The permeabilizersare present at levels that affect the activity of the active ingredientby increasing the permeability across the plant cell wall. That is, atrelatively low concentrations, for example, less than 5% by weight, moretypically, between 0.5 and 3.0 percent by weight, the permeabilizersfunction by bringing aqueous and non-aqueous phases together. However,at relatively higher concentrations, i.e., greater than 5% by weight,more preferably greater than 10% by weight, the compounds not only bringaqueous and non-aqueous phases together, but also enhance the ability ofthe active compounds to cross plant cell walls.

III. Methods of Using the Compositions

The compositions are generally applied to a plant in need of treatmentthereof in an effective amount to effect such treatment. Thecompositions can be applied by conventional application techniques.These techniques include, but are not limited to, root application, leafapplication, crop dusting, spray application, and the like. They canalso be used with coatings; for example wood treatment, paint, or othersurface treatments.

Plant Growth Regulation

In one embodiment, the compositions are used to defoliate a plant. Inthis embodiment, an effective, defoliating amount of a compositionincluding a permeabilizing agent, and a defoliator is applied to a plantsurface. In one embodiment, the permeabilizing agent is a mixture ofcitric acid and oxalic acid. The composition can further includes a flowagent such as silica or kaolin clay.

Transfection

In another embodiment, the compositions are used to transfect a plantcell. In this embodiment, the composition includes a permeabilizingagent and a nucleic acid suitable for effecting the desiredtransfection.

Pest Control

In another embodiment, the compositions are used to treat a plant with apesticide, herbicide, insecticide, fungicide, virucide, bacteriocide,and/or acaricide. The methods involve applying to the plant an effectivepesticidal, herbicidal, insecticidal, fungicidal, virucidal,bacteriocidal, and/or acaricidal amount of a composition including apermeabilizing agent and a pesticide, herbicide, insecticide, fungicide,virucide, bacteriocide, and/or acaricide.

Weed Control

The formulations described herein can also be used to enhance theresults obtained with conventional weed control formulations. Weedcontrol essentially involves applying a compound that selectivelycontrols one type of plant in the presence of another. Examples includecrabgrass-selective compounds that have little or no effect on grass.Weed control agents can be combined with the permeabilizing agentsdescribed herein to form enhanced weed control agents, enhanced due totheir ability to permeate through the cell walls of the undesired weeds.In all of these embodiments, the chelating agents are typically thesugars, acids and salts of maleic acid, rnalonic acid, tartaric acid,citric acid, glycine, lactic acid, malic acid, succinic acid, oxalicacid, dextrose, ethylenediaminetetraacetic acid (EDTA),tris(hydroxymethyl)aminomethane, lactose, mannitol, glutaric acid, malicacid, succinic acid, glycerol, humic acid, fulvic acid, sorbic acid,sorbose, ethylene diamine, 1,2 diaminocyclohexane, trimethylenediamine,tetramethylenediamine, 1,2 diaminopropane, diethylenetriamine,triethylenetetramine, triaminodiethylamine,N-hydroxyethylethylenediamine, some quaternary ammonium salts, dimethylamines, and agriculturally acceptable salts thereof, and mixturesthereof.

EXAMPLES

In most of the examples below, use rates lower than generallyrecommended were used to insure less than 100% kill. Some unrecognizedcompounds are also used for comparison. The Adjuvant 1 formulation is 77percent by weight oxalic acid, 20 percent by weight citric acid and 3percent by weight HiSil 233. Adjuvant 2 was 99.8 percent by weightoxalic acid, and while its efficacy is shown below in the examples, maybe less preferred than Adjuvant 1 due to relatively poor flow and cakingproperties. Adjuvant 3 was a commercially supplied aqueous solution ofEDTA tetra sodium salt solution. Adjuvant 4 was 99% citric acid.Adjuvant 5 was a mixture of 77 percent oxalic acid, 20% citric acid and3 percent Polyfil DL. Adjuvant 6 (in Water) included 20 percent EDTAsalt, 5 percent dicocodimethylammonium chloride, 1 percentcocodimethylamine, and 7 percent propylene glycol.

Example 1 Effectiveness of Dicamba Herbicide on Canada Thistle

This test was used to determine the effectiveness of dicamba herbicideon the weed Canada Thistle. The dicamba was mixed with water in a spraytank at the listed rate alone (A) or with a permeabilizer (B) and thedegree of control of the weed was evaluated. Dicamba alone had anefficiency of about 13% and only slightly damaged the plant leaves. Thedicamba and adjuvant mixture had an efficiency of about 62% and causedwas major damage to leaves and stems of the plant. The ratings were madeat 2 days. A week later plants treated with dicamba alone had nearlyrecovered while plants treated with dicamba and adjuvant 1 were nearlydead.

A. Dicamba dimethylamine salt—1 oz/gal

B. Dicamba dimethlyamine salt—1 oz/gal+Adjuvant 1 40 g/gal

Herbicidal Efficiency—2 day rating

Weed Thistle

A 13%

B 62%

Example 2 Effectiveness of Fluazifop-Butyl on Fescue Grass

This test was used to determine the effectiveness of fluazifop-butylherbicide on fescue grass. The herbicide was mixed with water in a spraytank at the listed rate with only a nonionic surfactant (NIS) treatment(A) or with a NIS and a permeabilizer (B) and the degree of control ofthe grass was evaluated. The effectiveness of fluazifop alone was about3%, and resulted in only slightly damaged leaves. The fluazifop combinedwith the permeabilizer had an effectiveness of about 42%, resulting inmajor damage to leaves and stem. The ratings were made at 4 days. A weeklater fescue treated with fluazifop alone had nearly recovered whilefescue treated with fluazifop combined with the permeabilizer was nearlydead.

A. Fluazifop-Butyl—1.25 oz/gal+NIS ⅙ Tsp/gal

B. Fluazifop-Butyl—1.25 oz/gal+NIS ⅙ Tsp/gal+EDTA 6 oz/gal

Herbicidal Efficiency—4 day evaluation

Weed Fescue Grass

A 3%

B 42%

Example 3 Effectiveness of Hydrogen Peroxide as a Herbicide

In this example, hydrogen peroxide was used as a screen forpermeabilizing agents because hydrogen peroxide by itself it is not avery efficient herbicide. As shown below, the effectiveness of hydrogenperoxide was potentiated by permeabilizers that help it cross the outermembrane. A number of mixtures of permeabilizers were identified. Thehydrogen peroxide was mixed into water at the given rate with nonionicsurfactant (NIS) and various permeabilizers to form compositions Athrough W. These compositions were sprayed on clover for evaluation. Thedegree of damage to the clover was assessed.

A. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/galB. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+EDTA 6 oz/galC. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+EDTA 6 oz/gal+Tris 3oz/galD. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Dimethyldicocoammoniumchloride 1.5 oz/galE. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Oxalic Acid 4 oz/galF. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 1 4 oz pergallonG. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 1 4oz/gal+Dicocodimethylammonium chloride 0.5 oz/galH. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 1 4oz/gal+Dicocodimethylammonium chloride 0.5 oz/gal+KOH 4 oz/galI. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 1 4oz/gal+Dicocodimethylammonium chloride 0.5 oz/gal+NH4OH 2 oz/galJ. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Citric Acid 4 oz/galK. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Citric Acid 4 oz/gal+KOH3 oz/gal+Dicocodimethylammonium chloride 2C75 0.5 oz/gallonL. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Sodium Polyphosphate 4oz/galM. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Sodium Polyphosphate 4oz/gal+Dicocodimethylammonium chloride 2C75 0.5 oz/gal N. 50% HydrogenPeroxide 6 oz/gal+⅙ Tsp NIS/gal+EGTA 1 oz/galO. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+EGTA 1 oz/gal+Tris 0.5oz/galP. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 14 oz/galcocotrimethylammonium chloride 0.5 oz/galQ. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 14 oz/gal+POE15 beeftallowamine 0.5 oz/galR. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 14oz/gal+ditallowedimethylammonium chloride 0.5 oz/galS. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 14oz/gal+tallowtrimethylammonium chloride 0.5 oz/galT. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 54 oz pergallonU. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 54oz/gal+Dicocodimethylammonium chloride 0.5 oz/galV. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+Adjuvant 64 oz pergallonW. 50% Hydrogen Peroxide 6 oz/gal+⅙ Tsp NIS/gal+CaCl₂ 2 oz/gal

Herbicidal Efficiency Weed White Clover Damaged A. 5% B. 69% C. 75% D.73% E. 78% F. 83% G. 88% H. 72% I. 61% J. 53% K. 81% L. 59% M. 84% N.74% O. 79% P. 80% Q. 77% R. 75% S. 79% T. 83% U. 85% V. 87% W. 62%

The data show that hydrogen peroxide by itself had very littleeffectiveness, but the effectiveness was markedly improved by additionof the permeabilizing agents.

Example 4 Effectiveness of Permeabilizers on Cotton Defoliation and BollOpening

This test was used to evaluate a specific blend of permeabilizers asenhancers for cotton defoliation and boll opening. The tests were largescale field trials conducted comparing the Adjuvant 1 with ethephonagainst a commercial product Finish® which contains ethephon andcyclanilide. The field tests were conducted in North Carolina (NC),Louisiana (LA), New Mexico (NM) and Georgia (GA).

Adjuvant I (AdjI) was produced by blending 20 pounds citric acid, 77pounds oxalic acid, and 3 pounds silica. This product was field testedon cotton with several mixes to determine its performance as a Harvestaid chemical evaluated X days after evaluation. Results are shown below.

Test Chem Chem Chem No. State Rate 1 Rate 2 Rate 3 Defol % Day BollOpen* 1 NC eth AdjI DEF 6 98 8 4 1#/ac 1#ac oz/ac NC eth cyclan DEF 6 988 4 1#ac 1#/ac oz/ac 2 LA eth AdjI — 96 9 5 1#/ac 1#/ac LA eth cyclan —96 9 4 1#/ac 1#/ac 3 NM eth AdjI Thid 5 98 8 5 1#/ac 1#/ac oz/ac NM ethcyclan Thid 5 93 8 4 1#/ac 1#/ac oz/ac 4 GA eth AdjI — 96 9 5 1#/ac1#/ac GA eth cyclan — 96 9 4 1#/ac 1#/ac *Boll Opening as subjectiverating: 1 = worst; 5 = best eth = ethephon; Thid = thidazuron; cyclan =cyclanilide 1#/ac = 1 pound per acre rate; DEF =tributylphosphorothioate

The data show that ethephon with cyclan, a convention adjuvant, was nomore effective than ethephon with the permeabilizer, ADJ 1, describedherein.

Example 5 Comparison of Oxalic acid, EDTA and Citric Acid as Adjuvants

Oxalic acid (Adj II), EDTA (Adj III), and citric acid (Adj IV) were usedas an adjuvants with harvest aid chemicals and compared to thecommercial products ethephon and ethephon plus cyclanilide. Thecomparison was for defoliation only at 7 days after spraying on cotton.The tests were conducted on test size field plots, at dosages of 1 poundor 0.5 pounds per acre (#/ac).

Test No. Chem Rate 1 Chem Rate 2 Defol % Day 1 eth 1#/ac AdjII 1#/ac 987 2 eth 1#/ac AdjIII .5#/ac 96 7 3 eth 1#/ac AdjIV 1#/ac 98 7 4 eth1#/ac cyclan 1#/ac 98 7 5 eth 1#/ac — 72 7

The data show that ethephon with any of the adjuvants is about aseffective as ethephon and cyclan, and significantly more effective thanethephon alone.

Example 6 Effect of Permeabilizers on Speed

This example was used to how various permeabilizers are able to improvethe speed in which various active components are able to obtain theirdesired effects on treated plants. In this example, a combination ofoxalic acid and citric acid (Adjuvant 1) was used in combination withthe harvest aid chemicals paraquat and diquat for the dessication ofpotato vines before harvest and compared to the commercial ratesparaquat and diquat. The data show that the harvest aid chemicals actedfaster even when applied at half the rate compared with the chemicalsapplied at a full rate in the absence of adjuvant.

Test No. Chem Rate 1 Chem Rate 2 Defol % Hour 1 paraquat 2 qt/ac None 098 36 2 paraquat 1 qt/ac Adj I 1#/ac 99 12 3 diquat 1 qt/ac Adj I 1#/ac98 7 4 diquat 2 qt/ac None 0 96 24

Example 7 Effectiveness of Paraquat in the Presence and Absence ofPermeabilizer

This example was a field test conducted on mixed weeds between rows ofvegetables using the herbicide paraquat. The herbicide was mixed inwater alone (A), and at half rate of paraquat with a permeabilizer (B).At the half rate with the permeabilizer, the degree of weed control wasat least as good as at the full rate with no permeabilizer.

A. Paraquat—2 Qts/ac

B. Paraquat—1 Qts/ac+Adjuvant 1 1 lb/ac

Herbicidal Efficiency

Weed Mixed

A 98%

B 100%

Example 8 Efficiency of 2,4-Dichlorophenoxyacetic acid Butoxyethyl EsterWith and Without Added Adjuvant

This example evaluated the efficiency of the herbicide 2,4Diclorophenoxyacetic acid butoxyethyl ester (2,4 D) on wild strawberrywith a number of permeabilizers. All chemicals were mixed in a spraytank at the given rate and sprayed on the plants. Efficiency wasdetermined as the degree of damage to the strawberry plants at 24 hoursafter application.

A. 2,4 D 3 oz/gal

B. 2,4 D 3 oz/gal+EDTA 6 oz/gal

C. 2,4 D 3 oz/gal+Dicocodimethylammonium chloride 1.5 oz/gal

D. 2,4 D 3 oz/gal+Oxalic Acid 4 oz/gal

E. 2,4 D 3 oz/gal+Citric Acid 4 oz/gal+Dicocodimethylammonium chloride 4oz/gal

F. 2,4 D 3 oz/gal+Adjuvant 5

G. 2,4 D 3 oz/gal+Adjuvant 6

Herbicidal Efficiency

Wild Strawberry—1 day rating

A. 9%

B. 56%

C. 76%

D. 83%

E. 88%

F. 85%

G. 87%

The data show that the herbicide had relatively low efficacy in theabsence of adjuvant

(9%), but significantly higher efficacy in the presence of adjuvant(56-88%).

Example 9 Evaluation of Contact Insecticides

This test was the evaluation of a contact insecticide on the insect theEastern Tent caterpillar. The insecticide was mixed into a solution andapplied to a disc of filter paper. The caterpillars were allowed tocrawl on the disc for a specified period of time, then the number livingand dead were counted after 1 day.

Insecticide Efficacy

A. Pyrethrin 0.005% 12% Piperonyl Butoxide 0.05% B. Pyrethrin 0.005% 75%Piperonyl Butoxide 0.05% Adjuvant 1 1%

The data show that the mixture of pyrethrin and piperonyl butoxide wasrelatively ineffective at killing the caterpillers, but when even a lowconcentration of Adjuvant 1 was added, the effectiveness improvedgreatly.

Example 10 Efficacy of a Biological Ingestion Insecticide

This test evaluated the efficacy of a biological ingestion insecticideon the Eastern Tent caterpillar. The insecticide was mixed into asolution and applied to a leaf. The caterpillars was allowed to eat theleaf, then the number living and dead were counted

Insecticide Efficacy

A. Bacillis Thuringensis 25% B. Bacillis Thuringensis+EDTA0.05%+Cocodimethyl+Dicocodimethylammonium chloride 63%

Example 11 Evaluation of an Ingestion Insecticide

This test involved the evaluation of an ingestion insecticide on theEastern Tent caterpillar. The insecticide was mixed in a tank at theshown rate and sprayed on the tent, and the evaluation was performedafter 1 day following application. As shown below, the addition ofadjuvant significantly enhanced the efficacy of the insecticide.

Insecticide Efficacy

A. Thiodicarb 0.1% 32% B. Thiodicarb 0.1% + Adjuvant 6 56%

Example 12 Evaluation of Flow Agents

A mixture of organic acids was evaluated in the presence of various flowagents. The flow agents were mixed with a blend of 4 parts oxalic acidand 1 part citric acid at the rate shown. They were evaluatedimmediately for dustiness, wetting, and overnight in an oven forstability. They were rated for flowability after 4 months. Polyfil DLhad the best overall properties of the ones evaluated.

4 Months Flow Agent % Dustiness Wetting Flow Stability HiSil 233 3% 1 1010 10 HiSil 233 0.02% 2 10 1 10 Zinc Stearate 3% 7 8 1 N/A Talc 3% 10 27 10 Agsorb LVM 2% Clay 3 10 4 10 None 0 10 1 10 Polyfil DL 3% Clay 9 1010 10 Hydral 710 3% A12O3 10 10 1 1 Nuzox 78 3% ZnO 8 10 2 7 Huber DP-701% 8 1 8 8 Lustra Clay 3% 8 10 9 10 Polyfil DL 1.5% Clay 9 10 7 10Diatomaceous 3% Earth 5 10 1 10

Example 13 Evaluation of a Wood Treatment Formulation

A wood treatment formulation was evaluated by dipping blocks of woodinto a solution of the listed ingredients in methanol. Blocks were driedand buried in moist soil for 4 months. After the 4 months the blockswere dried and hardness measured by determining the depth of puncture ofa given weight on a pointed depth gauge. The data show that the additionof the adjuvant significantly enhanced the wood protection and thehardness of the wood, shown by increased puncture resistance.

Formula Wet Storage-4 months - Puncture Depth mm Cedar Oil 4 SodiumTetraborate Cedar Oil 1.5 Sodium Tetraborate EDTA Dicocodimethylammoniumchloride 2C 75

Example 14 Effectiveness of Herbicide on Trumpet Vine

This test was used to determine the effectiveness of acifluorifenherbicide on the weed Trumpet vine. The herbicide was mixed with waterin a spray tank at the listed rate treatment (A) or with a permeabilizer(B) and the degree of control of the grass was evaluated. The herbicidein the absence of permeabilizer had an effectiveness of only 11% andonly slightly damaged the vine leaves. In contrast, the combination ofherbicide and adjuvant had an effectiveness of 74%, with major damage toleaves and stem. The ratings were made at 2 days. A week later vinestreated with treatment A had nearly recovered while vines treated withtreatment B were nearly dead.

A. Acifluorfen—2 oz/gal

B. Acifluorfen—2 oz/gal+Adjuvant 1 80 g/gal

Herbicidal Efficiency

Weed Trumpet Vine

A 11%

B 74%

Example 15 Evaluation of Fungicide for Control of Black Spot on Roses

This example evaluated the effectiveness of the fungicide thiophanatemethyl for the control of black spot on roses. The fungicide was mixedwith water in a spray tank at the listed rate treatment (A), or with apermeabilizer (B) and the degree of control of the blackspot wasevaluated. The ratings were made after one week on the percent leavesinfected with blackspot. The data show that the fungicide was onlyslightly effective in the absence of permeabilizer (20%), but extremelyeffective (68%) in the presence of the permeabilizer.

A. Thiophanate Methyl—1 oz/gal

B. Thiophanate Methyl—1 oz/gal+Adjuvant 1 80 g/gal

Fungicidal Efficiency % Control

Black Spot Roses A 20%

B 68%

Example 16 Effectiveness of a Bactericide on Bacterial Leaf Spot(Xanthomonas campestris) on Tomatoes

This example evaluated the effectiveness of the bactericide copperhydroxide for the control of bacterial leaf spot on tomatoes. The tomatoplants were innoculated with the bacteria. The bactericide was mixedwith water in a spray tank at the listed rate treatment (A), or with apermeabilizer (B) and the degree of control of the leaf spot wasevaluated. The ratings were made after two weeks on the percent leavesinfected.

Treatment Percent Leaves Infected Copper 2#/acre 63% Copper 1#/ac +Adjuvant 6 (300: 1 dilution) 46%

The data show that the presence of the adjuvant enhanced theeffectiveness of the bactericide. Only about one third of the leavestreated with bactericide alone were uninfected, in comparison to morethan half of the leaves treated with the combination of bactericide andadjuvant.

Example 17 Evaluation of Fungicide in the Treatment of Early Blight(Alternaria solani)

This example evaluated the effectiveness of the fungicide chlorothalonilfor the control of Early Blight on tomatoes.—The fungicide was mixedwith water in a spray tank at the listed rate treatment (A), or with apermeabilizer (B) and the degree of control of the Early Blight wasevaluated. The tomato plants were innoculated with the fungi. Theratings were made after one week on the percent leaves infected withAlternaria and also the number with bad damage—necrosis.

Infected Infected Leaflets with >50% Leaflets Leaves Leaflets NecrosisChlorothalonil 2.5 pt/ac 42% 60% 42% Chlorothalonil 1.25 pt/ac + 14% 20%14% Adjuvant 6 (300: 1 dilution)

The data show that even when half the amount of fungicide was used,there was a significant decrease in the percentage of infected leaflets,infected leaves, and leaflets with less than 50% necrosis.

Example 18 Effectiveness of Bactericide Streptomycin at ControllingFireblight

This example evaluated the effectiveness of the bactericide streptomycinfor the control of fireblight on Southern Crepe Myrtle. The bactericidewas mixed with water in a spray tank at the listed rate treatment (A),or with a permeabilizer (B). The infected plants were treated with thebactericide by spraying until wet and the degree of control of thefireblight was evaluated. The ratings were made after two days on therate required for control.

Level Required for Control A. Streptomycin 60 ppm B. Streptomycin +Adjuvant 6 (500: 1dilution) 20 ppm

The data show that the presence of adjuvant significantly lowered (by afactor of 2 thirds) the amount of bactericide needed to controlfireblight.

Example 19 Cotton Defoliation

This example shows the degree of defoliation of a number of commercialtank mixes after 12 days following application to cotton plants. Themixes were prepared at the rate shown and sprayed on mature cottonplants. Higher defoliation levels are preferred for harvesting.

12 Day Rates Per Acre Defoliation % Dimethepin 8 oz +tributylphosphorothioate 8 oz. 88% Dimethepin 8 oz. + ethephon 21.33 oz82% (Dimethepin + thidiazuron) 12 oz 80% Monocarbamide 64 oz +carfentrazone-ethyl 0.67 oz 87% Monocarbamide 64 oz +tributylphosphorothioate 6 oz 86% Monocarbamide 64 oz +carfentrazone-ethyl 0.67 oz + 85% thidiazuron 1.6 ozTributylphosphorothioate 8 oz + ethephone 32 oz + 92% thidiazuron 1.6 ozCarfentrazone 0.67 oz + ethephon 32 oz + 89% thidiazuron 1.6 ozCarfentrazone 0.67 oz + ethephone 85% 21.33 oz Carfentrazone 0.67 oz +(ethephon + cyclanilide) 90% 21.33 oz + thidiazuron 1.6 oz Carfentrazone0.67 oz + (ethephon + cyclanilide) 91% 21.33 oz (Ethephon + cyclanilide)21.33 oz + thidiazuron 1.6 oz + 92% tributylphosphorothioate 4 oz(Ethephon + cyclanilide) 21.33 oz + (thidiazuron + 92% diuron) 4 ozEthephon 16 oz + Adjuvant 1 16 oz + (thidiazuron + 91% diuron) 4 ozExcellent results - 91% defoliation - were obtained using ethephon andadjuvant 1, in combination with thidiazuron and diuron

Example 20 Cotton Desiccation

This example shows the degree of desiccation of a number of commercialtank mixes after 12 days. The mixes were prepared at the rate shown andsprayed on mature cotton plants. A lower the degree of desiccation ispreferred to increase the value of the cotton at the gin.

Rates Per Acre 12 Day Desiccation % Dimethepin 8 oz +tributylphosphorothioate 2% 8 oz Dimethepin 8 oz + ethephon 21.33 oz 0%(Dimethepin + thidiazuron) 12 oz 2% Monocarbamide 64 oz + carfentrazone-0% ethyl 0.67 oz Monocarbamide 64 oz + 1% tributylphosphorothioate 6 ozMonocarbamide 64 oz + carfentrazone- 4% ethyl 0.67 oz + thidiazuron 1.6oz Tributylphosphorothioate 8 oz + ethephon 1% 32 oz + thidiazuron 1.6oz Carfentrazone 0.67 oz + ethephon 32 oz + 5% thidiazuron 1.6 ozCarfentrazone 0.67 oz + ethephon 21.33 oz 5% Carfentrazone 0.67 +(ethephon + 5% cyclanilide) 21.33 oz + thidiazuron 1.6 oz Carfentrazone0.67 oz + (ethephon + 1% cyclanilide) 21.33 oz (Ethephon + cyclanilide)21.33 oz + 1% thidiazuron 1.6 oz. + tributylphosphorothioate 4 oz(Ethephon + cyclanilide) 21.33 oz + 0% (thidiazuron + diuron) 4 ozEthephon 16 oz + Adjuvant 1 16 oz + 0% (thidiazuron + diuron) 4 ozExcellent results - 0% desiccation BB - were obtained using ethephon andadjuvant 1, in combination with thidiazuron and diuron.

Example 21 Cotton Regrowth Control

This example shows the effectiveness of a number of compounds forregrowth control.

Rates Per Acre 14 Day Regrowth % Dimethepin 8 oz +tributylphosphorothioate 4% 8 oz Dimethepin 8 oz + ethephon 21.33 oz 4%(Dimethepin + thidiazuron) 12 oz 2% Monocarbamide 64 oz + carfentrazone-1% ethyl 0.67 oz Monocarbamide 64 oz + 3% tributylphosphorothioate 6 ozMonocarbamide 64 oz + carfentrazone- 0% ethyl 0.67 oz + thidiazuron 1.6oz Tributylphosphorothioate 8 oz + ethephon 0.4%   32 oz + thidiazuron1.6 oz Carfentrazone 0.67 oz + ethephon 32 oz + 0% thidiazuron 1.6 ozCarfentrazone 0.67 oz + ethephon 21.33 oz 1% Carfentrazone 0.67 oz +(ethephon + 1% cyclanilide) 21.33 oz + thidiazuron 1.6 oz Carfentrazone0.67 oz + (ethephon + 1% cyclanilide) 21.33 oz (Ethephon + cyclanilide)21.33 oz + 1% thidiazuron 1.6 oz + tributylphosphorothioate 4 oz(Ethephon + cyclanilide) 21.33 oz + 0.4%   (thidiazuron + diuron) 4 ozEthephon 16 oz + Adjuvant 1 16 oz + 0.4%   (thidiazuron + diuron) 4 ozThe data show excellent results - 0.4% regrowth for DDD - with acombination of ethephon, adjuvant 1, thidiazuron and diuron.

REFERENCES

In this application, the following publications are referenced. Thedisclosures of these publications in their entireties are herebyincorporated into this application by reference in order to more fullydescribe the state of the art to which this invention pertains.

-   1. G. W. Cathey, Chapter 14 Physiology of Cotton Defoliation in    Cotton Production, Cotton Physiology, The Cotton Foundation, p.    143-154.-   2. P. W. Morgan and J. I. Durham, Plants, 110, 91-93 (1973).-   3. K. H. Hasenstein and M. L. Evans, Plant Physiol., (1986)    81,439-443.-   4. P. M. Tang, R. K. dela Fuenta, Plant Physiol, (1986) 81,651-655.-   5. A. C. Leopold, Chapter 4, Modification of Growth Regulatory    Action with Inorganic Solutes, Plant Growth Reaulators. ACS Advances    in Chemistry Series, Number 159, 1977, p. 33-41.

The invention has been clearly described in detail, with particularreference to certain preferred embodiments, in order to enable thereader to practice the invention without undue experimentation. Theorieshave been offered to better enable the reader to understand theinvention, but such theories do not limit the scope of the invention. Inaddition, a person having ordinary skill in the art will readilyrecognize that many of the previous components and parameters may bevaried or modified to a reasonable extent without departing from thescope and spirit of the invention. Accordingly, the invention is definedby the following claims, and reasonable extensions and equivalentsthereof.

1. A method of improving the degree of efficacy of an active componentor speed of action of an active component comprising providing anagricultural composition comprising at least one active component; andan adjuvant composition comprising 20% by weight EDTA; 5% by weightdicocodimethyl ammonium chloride; 1% by weight cocodimethyl amine; 7% byweight propylene glycol; and the remainder water; and applying theagricultural composition to a plant.
 2. The method of claim 1, whereinthe step of applying the composition to the plant is accomplished by atechnique selected from the group consisting of root application, leafapplication, crop dusting, and spray application.
 3. The method of claim1, wherein the composition further comprises at least one additiveselected from the group consisting of flow agents, buffering agents,antifoam agents, compatibility agents, crop oil concentrates, depositionagents, dispersants, drift control agents, penetrants, surfactants,spreaders, and wetting agents.
 4. The method of claim 1, wherein theactive component is at least one agricultural chemical selected from thegroup consisting of pesticide, herbicide, insecticide, fungicide,virucide, bacteriocide, and acaricide.
 5. The method of claim 1, whereinthe composition comprises 2,4 dichlorophenoxyacetic acid butoxyethylester as the active component.
 6. The method of claim 5, wherein thecomposition is applied to at least one strawberry plant.
 7. The methodof claim 1, wherein the composition comprises thiodicarb as the activecomponent.
 8. The method of claim 7, wherein the composition is appliedto at least one caterpillar.
 9. The method of claim 1, wherein theactive component is at least one bactericide for controlling Xanthomonascampestris on a plant
 10. The method of claim 9, wherein the plant is atomato.
 11. The method of claim 9, wherein the bactericide is copperhydroxide.